Improved rlottr-sifter



v Ingenio/v R. PUERS. PHOTO-UTMOGRAPHER, WASHINGTUN, D. C.

`TAMES COYLELOF BOSTON, MASSACHUSETTS.

v Letras Patent No. 88,014, aan Match 23, 1869.

IMPROVED FLQUR-SIITER.

The Schedule referred to in these Letters Patent and making part of the same.

To all whom it may concern:

Be it known that I, J AMES COYLE, of Boston, in the county of Suffolk, and State of Massachusetts, have invented a new and improved Flour-Sifter; and I do hereby declare that the following is a full, clear, and ex act description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawings, forming part of this specification.

This invention relates to improvements in flour-sifting apparatus,` such as used for silting and pulverizing the our previous to cooking.

It consists of a rectangular screen, arranged to slide to and fro on a frame, and provided with a set of crushing-rollers, suspended from the bed-frame within the said sieve, in contact with the bottom, so as to be rotated by the said bottom as the sieve is reciprocated, as will be hereinafter specified.

Figure l represents a longitudinal sectional eleva- 'tion of my improved apparatus, and

Figure 2 represents a plan view of the same. Similar letters of reference indicate corresponding parts.

A represents a rectangular frame, provided with friction-rollers, and l C represents a rectangular sieve, arranged to be reciprocated thereon by hand.

D represents another rectangular frame, suspended, Within the sieve, from the sides of the frame A, and provided with any1 suitable number of rollers, which are' supported thereby above the bottom of the sieve, transversely and in contact therewith.

'The flour is placed in the sieve, andthe latter reciprooated, giving it a shaking-motion, and communicating JAMES ooYLn. 

